International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2528

Full Length Research Paper

Application of the erbium-doped fiber amplifier (EDFA) in wavelength division multiplexing (WDM) transmission systems

G. Ivanovs
  • G. Ivanovs
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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V. Bobrovs
  • V. Bobrovs
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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S. Olonkins
  • S. Olonkins
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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A. Alsevska
  • A. Alsevska
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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L. Gegere
  • L. Gegere
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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R. Parts
  • R. Parts
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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P. Gavars
  • P. Gavars
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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G. Lauks
  • G. Lauks
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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G. Ivanovs
  • G. Ivanovs
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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V. Bobrovs
  • V. Bobrovs
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
  • Google Scholar
S. Olonkins
  • S. Olonkins
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
  • Google Scholar
A. Alsevska
  • A. Alsevska
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
  • Google Scholar
L. Gegere
  • L. Gegere
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
  • Google Scholar
R. Parts
  • R. Parts
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
  • Google Scholar
P. Gavars
  • P. Gavars
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
  • Google Scholar
G. Lauks
  • G. Lauks
  • Institute of Telecommunications, Riga Technical University, Azenes Str. 12, RÄ«ga, LV-1048, Latvia.
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  •  Received: 07 November 2013
  •  Accepted: 19 February 2014
  •  Published: 28 March 2014

Abstract

In the work, characteristics of the erbium-doped fiber amplifier (EDFA) are investigated. The amplification and noise figure dependences on different EDFA parameters in a 2.5 Gbit/s one-channel WDM transmission system are simulated and measured. Additionally, simulation of a four-channel 2.5 Gbit/s WDM system containing in-line amplifiers of the type was done in order to investigate the EDFA performance in multichannel systems. Almost identical results obtained for both the simulation model and the experimental system are indicative of high accuracy of the simulation. It is shown that the EDFA amplification depends on such parameters as the signal power, wavelength, EDF length, and configuration of the pump laser.

 

Key words: Wavelength division multiplexing (WDM), erbium-doped fiber amplifier (EDFA).